Airport Comparison
| IAH | ONT | |
|---|---|---|
| Airport Name | George Bush Intcntl/Houston Airport | Ontario International Airport |
| IATA Code | IAH | ONT |
| ICAO Code | KIAH | KONT |
| City | Houston | Ontario |
| Country | United States | United States |
| Timezone | America/Chicago | America/Los_Angeles |
| Elevation | 96 ft | 944 ft |
| Coordinates | 29.980000, -95.340000 | 34.060000, -117.600000 |
Houston (IAH) to Ontario (ONT) Flight Distance
The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Ontario International Airport (ONT) in Ontario, United States is 2,142 kilometers (1,331 miles / 1,157 nautical miles). The estimated flight time for this route is approximately 4h, flying west northwest at a heading of 288°.
This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 2-hour time difference between the two cities.
Time zone information: When it's 15:53 in Houston, it's 13:53 in Ontario.
The return flight from Ontario (ONT) to Houston (IAH) follows a heading of 96° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the George Bush Intcntl/Houston Airport (IAH) and Ontario International Airport (ONT) detail pages, or use our flight duration calculator to compare other routes.